Recordkeeping. Owners and operators choosing to comply with the requirements of this section shall maintain the records specified in paragraphs (b)(1) through (b)(3) of this section.
(1) Identification of the process unit(s) or affected facilities and the regulated materials they handle.
(2) A schematic of the process unit or affected facility, enclosure, and closed vent system.
(3) A description of the system used to create a negative pressure in the enclosure to ensure that all emissions are routed to the control device.